# Posts by patricia

Total # Posts: 355

**math**

A ten foot long ladder leans against a wall, with the top of the ladder being eight feet above the ground. What is the approximate angle that the ladder makes with the ground? A) 37° B) 47° C) 53° D) 60°

**Chemistry**

When 10.00 mL of 1.00 M HCl solution is mixed with 115 mL of 0.100 M NaOH solution in a constant-pressure calorimeter, the temperature rises from 22.45 °C to 23.25 °C. Calculate q for this reaction, assuming that the heat capacity of the calorimeter is the same as that...

**Social Studies**

Europe

**Social Studies**

Explain the significance of the change in population from 8000-5000BCE.

**Vocab **

What's the root or base word of rebellious, belligerent, doctrine, document, levity, levitate, initiative, itinerary, impulsive, and compel??? Please help thanks!!!

**math**

A piece of wood is divided in 3 pieces in the ratio 3:4:2. The length of the longest piece is 72. Calculate the length of the piece of wood. Answer 162

**math**

A piece of wood is divided in 3 pieces in the ratio 3:4:2. The length of the longest piece is 72. Calculate the length of the piece of wood.

**Chemistry**

Calculate the number of grams of the indicated element in the compound. a) lead in 63.8 g PbO2 b) carbon in 1.664 g (CH3)2CO

**Math**

y=-8x-5: 4x+17=8x+5 group like terms 17+4x=8x+5 reorder the terms:17+4x=5+8x,17 +4x+8x=5+8x+-8x combine like terms: 4x+-8x=-4x combine thd terms: 8x+-8=0 17+-4x =5+0 17+-4x=5 17+-17+-4x=5+-17 combine like terms 17+-17=0 0+-4x=5+-17 combine the terms 5+-17=-12 -4x=-12 divide ...

**English**

I think you should put the word TV anyway, but when you say channels in the sentence after, people already know what you are talking about. You can put it just incase but you do not have to.

**Health**

We should take more of protein and vegetables than any other foods.

**Spanish**

1. Claudia y yo estamos cerca de la puerta. 2. La maestra esta contenta. 3. Los estudiantes estan ocupados. 4. Tu estas delande de Ana. 5. Yo estoy detras de Miguel.

**Chemistry**

A reaction of hydrolysis of Ba(NO) in a net ionic form?

**Technology**

A boy who weighs 30 kilograms sits on one end of a seesaw. On the other end there is a girl who weighs 20 kilograms. The girl is 1.5 metres from the fulcrum. How far from the fulcrum must be the boy sit in order to balance the seesaw? How far away must the boy sit if the girl ...

**Health**

My profession is hospice volunteer It's unprofessional to discuss your client with anyone, even the doctor or nurse. True or False? I think that this answer is true. I'm I correct?

**Health**

It's unprofessional to discuss your client with anyone, even the doctor or nurse. True or False? I think that this answer is true. I'm I correct? It's easier to spot unprofessional behaviors than it is to see professional behaviors.I think that this answer is true...

**economics**

Why was Nicaragua important to America’s economy?

**Science**

A sky driver jumps out of a plane and as he fall he has acceleration of 9.8 m/s squared. How many seconds will it take to reach a speed of 28.5 m/s?

**mathematics**

The population of a town decreases by 4% annually from the number at the end of the previous year. Calculate after how many years it will take the population to reach 21578 if the population had 38756 inhabitants during previous year.

**Mathematics**

Find the inverse of g(x)=3^x

**Mathematics**

find the equation of the parabola passing through the origin with the turning point (2;-8).help mi.

**Msth**

349 plus 252 round each number the greatest place value

**Math**

An equilateral triangle the real formula use in calculating it

**Mathematics**

John walked from Point A to the flagpole at 61m .The pole is 28m.What is the distance from Point A to the top of the flagpole?

**Maths Year 10 Equations**

A shopkeeper bought x pens for $21. a) write down an expression, in terms of x, for the cost, in cents, of each pen b) the shopkeeper gave 2 pens to his sons and sold each of the remaining pens at 8 cents more than he paid for it. Write down an expression, in terms of x, for ...

**maths**

A bell rings every 10 minutes and a buzzer sounds every 15 minutes they were both heard at 2nd clock When would they both be heard next?

**Geometry**

A building casts a shadow that is 250 ft long. The angle of elevation from the tip of the shadow to the top of the building is 43°. Find the height of the building to the nearest foot.

**Differential Calculus**

From a faucet, a constant inflow of water is to fill a conical vessel 15 feet deep and 7.5 feet in diameter at the top. water is rising at the rate of 2 feet per minute when the water is 4 feet deep. what is the rate of inflow in ft^3/min?

**Life Orientation**

Nobody knows this one...

**mathematics**

6. In a GP the 3rd term is equal to four times the first term and the sixth term is equal to three times the fourth term plus 32. Determine the sequence.

**mathematics**

evng .my teacher gave me this as a homework but i dnt undertand. 1.In a GP the 3rd term is equal to four times the first term and the sixth term is equal to three times the fourth term plus 32. Determine the sequence.

**Math**

A collection of nickels dimes and quarters consist of 22 coins with the total value of 1.75. If the number of nickels is three times the number of dimes, how many of each coin are contained in the collection

**life orientation**

Right to be educated

**Life Orientation**

Identify four human rights violation or discriminations and explain introductory paragraph and why you choose the specific human rights violation or discrimination

**life orientation**

Identify your human rights violation and explain in an introductory paragraph why you choose the specific human rights violation

**Algebra**

Susan charges twice as much money on credit card with a 7.5% annual interest rate as she does on a card with 6% interest. If her total interest after 1 year is $840, how much did she charge on each card?

**Intermediate algebra**

Jarrett was selling tickets at local carnical. The tickets cost 2.00 for adults and 1.50 for children. How many of each kind of ticket did he sell if he sold a total of 300 tickets for $525?

**Math**

I am trying to help my grandson with his math homework. When I went to school we never learned this and I am at a loss. The question is: Create an equivalent expression at includes at least one parenthesis so that the value of the expression is 144. The expression is 4+5x17-3 ...

**math**

Eric is twice as old as Jared. the sum of their ages 10 years ago was 19years what is Jared age now.Give me the answer

**Physics**

When a 300N force is applied to a box weighing 600N the box moves 3.0 horizontal in 20seconds

**Maths**

The first Arthmatic sequence is 23 and the 12th term is 72. Determine the first three terms in the sequence and the nth term and also Determine the Value of 10th term

**Math**

3, right?

**Math**

Can you explain how to do this question? "Three clocks ring once at the same time. After that, the first clock rings after every 90 minutes, the second after every 30 minutes, and third after every 60 minutes. After how many minutes will they again ring together?

**Math**

Thank you so much, the second one is easy now :)

**Math**

For each function, i) determine the corresponding reciprocal function, y =1/f(x) ii) state the non-permissible values of x and the equation(s) of the vertical asymptote(s) of the reciprocal function iii) determine the x-intercepts and the y-intercept of the reciprocal function...

**Math**

Two hoses together fill a pool in 2 h. If only hose A is used, the pool fills in 3 h. How long would it take to fill the pool if only hose B were used?

**5th grade math**

The fifth-grade class at John Adams Middle School earned $428.81 at their school carnival. The money is being divided between 23 students to help pay for their class trip. How much money will each student receive? Round to the nearest hundredth. is it $18.60 ?

**chemistry**

how many oxygen atoms are in 10 formula of Al2(SO4)3

**Math-Investment Word problem**

Vic invested part of the 40,000 bonus that he received at 8%. The remainder was invested at 10%. If after 2 years, the earning from 8% investment is 1.2 times his earnings from 10% investment, how much was invested at each rate?

**Math**

Two numbers are of the ratio 3:5. If their difference is 18, find the numbers.

**precalc**

Is triangle ABC scalene, isosceles, or equilateral if A = (4, 6) B = (-4, 2) and C = (0, 2)? Why?

**computer science**

Write a Boolean valued Function that takes two student grades and returns True if the average is greater than or equal to 90 and False otherwise. Write a VB statement that calls the function and displays in a MessageBox whether or not the student grade is an A average.

**computer science**

for Visual basic 2012 programming by the way

**computer science**

A Bagels store charges 75 cents per bagel for orders of less than a half-dozen bagels and 60 cents per bagel for orders of a half-dozen or more. Assume that the number of bagels ordered has been stored in a variable named NumBagels. Write VB code that calculates and stores the...

**reading 5th grade**

Can you give me some examples of writing styles ???? I know one of them is expository composition

**Algebra**

Write the set using set-builder notation: {natural numbers greater than 11

**reading**

so the suffix is e?

**reading**

for the word algae what is its prefix, suffix, and root? is it: prefix-none suffix- none root- algae?

**science**

we brought a block of un sliced of cheese on the same day, and isn't moldy at all

**6th Grade Math**

My Question: When Im doing multiplication, do i check it by using 2? For example: 84 times 37 = 3,078 How do i check my answer using estimation? - Answer: Im sorry, but i really need help on this question, I'm kinda stuck

**Ashford University**

Find the missing numbers. cost selling price $175.00 mark on selling price markup rate 50% mark amount=

**Calculus AB**

Thank You. This works,and easier I also did it by finding the ln of the expression (3x+1)[ln(3x-2)-ln(3x+4)] changed to [ln(3x-2)-ln(3x+4)]/(1/(3x+1) then used L'Hospital Rule to get lim=0 so since ln y = 0, the e^0=1

**Calculus AB**

Find the limit as x->infinity of ((3x+2)/(3x+4))^(3x+1)

**Business**

Price Action on ebay are an example of a. e-business b. information c. entertainment d. communication I have a. e-business please help me

**Calculus**

-infinity. figured it out

**Calculus**

Find the limit of cosx/(1-sinx) as x->(pi/2) from + side

**Calculus AB**

Gateway Arch in St. Louis was constructed using the equation y=211.49-20.96cosh(0.03291765x) where |x|<=91.20 a) what is the height at its center in meters b) At what points is height 70m (2 values of x) c) what is the slope of arch at points in part b

**Help**

Compound subjects- those that joined with " and"- should take singular verbs. The CD player and moon-roof is included in the car's price. Is it true?

**Math**

The cost T, in hundreds of dollars, of tuition and fees at many community colleges can be approximately by T=1/4c+6,where c is the number of credits for which a student registers. Graph the equation and use the graph to estimate the cost of tuition and fees when a student ...

**college math**

each individual letter of the word Tallahassee is placed on a piece of paper and all 11 pieces of paper are placed in a hat. If one letter is selected at random from the hat, determine the probability that the letter T or E is selected.

**College math**

Each inidividual letter of the word Tallahassee is placed on a piece of paper and all 11pieces of paper are placed in a hat, if one letter is selected at random from the hat, determine the probability that the letter T or F is selected.

**Co-operate Finance**

As the investment analyst for King breweries you are required to analyze the automated loom system in the Castle larger production line. The old system was purchased 5 years ago for $200,000. It falls in the accelerated cost recovery 5 year class and it has 5 years of ...

**Criminal Justice**

b 90,75

**lifeorientation**

wht is the six symtoms of intrapersonal conflict in a person

**math**

write an expression for the following frase and evaluate. -8 decreased by the product of-4 and 3 -8-(-4x3)????

**math**

when a cold front move through, the temperature dropped at an average of 3 degree per hour.using a signed number find the change in temperature after six hours

**Math**

Two equilateral triangles are sitting side-by-side. The length of one side of Triangle A is 5 ft. The sides of Triangle B are 3 times as long as those of Triangle A. How long is the length of one side of Triangle B?

**statistics**

The batting averages of the first three batters in the Eureka College women’s softball team lineup are .310, .301, and .277. If the first three batters are considered as the “lead-off group”, what is the batting average of the group?

**College Math**

variance of 30 for a data, what is the standard deviation

**College Math**

numbers given are: 3.5, 2.6, 3, 3.1, 2.6, 2.8, range is 0.9 z-score of 3.1 is Okay I am lost

**College Math**

mean of 21 and standard deviation of 1.2, what is the z-score of 21 No clue how to figure this out

**College Math**

The number of visitors to your business website increased at a rate of 60% per day, going from 30 per day to 30,000 per day. How many days did it take to go from 30 to 30,000 visitors per day? 30,000(1+0.6) but I need to solve for t that's where I get lost.

**Algebra**

Temperature AF 40 1000 60 1840 70 2260 85 2890 Find a linear model for the number of acre-feet of water that evaporate as function of temperature. E(T)=

**Algebra**

Temperature AF 40 1000 60 1840 70 2260 85 2890 Find a linear model for the number of acre-feet of water that evaporate as function of temperature. E(T)= Is the answer E(T)=42T-960?

**Algebra**

Find the equation of the line, in slope-intercept form, that satisfies the given conditions. The graph is perpendicular to the graph of y=3x-1 and passes through the points whose coordinates are (4,-2). Y=______

**Algebra**

Find the slope m=1600-760/60-40

**Algebra**

f(x)=2x^+x-21 x= ___(smaller Value) x= ___(Larger Value) What am I doing wrong? f(x)=0 2x^+x-21=0 (2x+21)(x-19)=0 2x=-21 x=19

**History**

What is the difference between classical and modern archeology?

**Biology**

Why are most factors held constant in a scientific experiment?

**English**

Yes i think they should be allowed because they also heal and they somekind have many healing products than science doctors such as umuthi ,phate ya ngaka and so on ...

**Organic Chemistry**

A student obtains a yield of 79% from his salicylic acid. How many grams of salicylic acid will the student need to produce 135 g of aspirin?

**bshs 382**

for what data f=0.46 and the P value equals 0.63 what can you con conclude? what were the assumptions on which the Anova was based which assumption is the most important

**Physics**

A stone is dropped at t = 0. A second stone, with 4 times the mass of the first, is dropped from the same point at t = 110 ms. (a) How far below the release point is the center of mass of the two stones at t = 410 ms? (Neither stone has yet reached the ground.) (b) How fast is...

**Chemistry, please help!!!**

a. 60.1 g/mol b. 28.0 g/mol c. 106.8 g/mol d. 63.5 g/mol

**english**

These are great news indeed;I can't believe I made it

**math101**

-7+z ¡Ü 3z+7 and 2(z-3)<-4z+2

**math101**

how do you solve 1/4x-18=1/2x-6

**Math**

A pair of jeans is marked down 15%. Its original price was $45.00. What is the original price?

**Key to success**

In the process of brainstorming his goals Robert realized his web business was more about money than creativity his decision to include a minimum monthly income of5,000 as part of his mission statement is an example of

**math**

Adam wants to compare the fractions 2/5 , 1/6 and 1/3. He wants to order them from least to greatest and rewrite them so they all have the same denominator. Explain how Adam can rewrite the fraction Oops I made a mistake on the previous question! Sorry about that....